20745361726 has 8 divisors (see below), whose sum is σ = 31345182000. Its totient is φ = 10296967728.

The previous prime is 20745361723. The next prime is 20745361733. The reversal of 20745361726 is 62716354702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20745361723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37856226 + ... + 37856773.

It is an arithmetic number, because the mean of its divisors is an integer number (3918147750).

Almost surely, 2^20745361726 is an apocalyptic number.

20745361726 is a deficient number, since it is larger than the sum of its proper divisors (10599820274).

20745361726 is a wasteful number, since it uses less digits than its factorization.

20745361726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75713138.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 20745361726 in words is "twenty billion, seven hundred forty-five million, three hundred sixty-one thousand, seven hundred twenty-six".